From 22f0c5bd14f6cc8d60dbfc736f632fc891f1b0f9 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 15 Oct 2015 16:35:33 -0400 Subject: [PATCH] drm/amdgpu/dce11: update pll programming for ELM/BAF MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit SetPixelClock table handles pll divider calculation and spread spectrum setup, so no need to use calculate the dividers and call the ss enable cmd table. Reviewed-by: Christian König Signed-off-by: Alex Deucher Reviewed-by: Jammy Zhou --- drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 31 +++++++++++++++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index d1a0a55..c86456e 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2778,7 +2778,17 @@ static void dce_v11_0_crtc_disable(struct drm_crtc *crtc) case ATOM_PPLL2: /* disable the ppll */ amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id, - 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); + 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); + break; + case ATOM_COMBOPHY_PLL0: + case ATOM_COMBOPHY_PLL1: + case ATOM_COMBOPHY_PLL2: + case ATOM_COMBOPHY_PLL3: + case ATOM_COMBOPHY_PLL4: + case ATOM_COMBOPHY_PLL5: + /* disable the ppll */ + amdgpu_atombios_crtc_program_pll(crtc, ATOM_CRTC_INVALID, amdgpu_crtc->pll_id, + 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); break; default: break; @@ -2796,11 +2806,28 @@ static int dce_v11_0_crtc_mode_set(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb) { struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct amdgpu_device *adev = dev->dev_private; if (!amdgpu_crtc->adjusted_clock) return -EINVAL; - amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); + if ((adev->asic_type == CHIP_ELLESMERE) || + (adev->asic_type == CHIP_BAFFIN)) { + struct amdgpu_encoder *amdgpu_encoder = + to_amdgpu_encoder(amdgpu_crtc->encoder); + int encoder_mode = + amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder); + + /* SetPixelClock calculates the plls and ss values now */ + amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, + amdgpu_crtc->pll_id, + encoder_mode, amdgpu_encoder->encoder_id, + adjusted_mode->clock, 0, 0, 0, 0, + amdgpu_crtc->bpc, amdgpu_crtc->ss_enabled, &amdgpu_crtc->ss); + } else { + amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode); + } amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode); dce_v11_0_crtc_do_set_base(crtc, old_fb, x, y, 0); amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode); -- 2.7.4